void *plug_activate( int fx_id )
{
if(index_map_[fx_id] == NULL)
{
veejay_msg(0,"Plugin %d is not loaded",fx_id);
return NULL;
}
void *instance = instantiate_plugin( index_map_[fx_id], base_width_,base_height_);
if( instance == NULL ) {
veejay_msg(0, "Error instantiating plugin.");
return NULL;
}
return instance;
}
int
main(int argc, char *argv[])
{
if (argc < 2) {
// missing argument
char *name = strrchr(argv[0], '/');
name = name ? name + 1 : argv[0];
fprintf(stderr, "usage: %s <media-file>\n", name);
return -1;
}
TRACE("\n\n");
TRACE("main: creating plugin...\n");
MediaPlugin *plugin = instantiate_plugin();
TRACE("main: creating reader...\n");
ReaderPlugin *readerplugin;
readerplugin = dynamic_cast<ReaderPlugin *>(plugin);
Reader *reader = readerplugin->NewReader();
TRACE("main: opening source file...\n");
BDataIO *source = new BFile(argv[1], B_READ_ONLY);
TRACE("main: calling setup...\n");
reader->Setup(source);
TRACE("main: creating ...\n");
TRACE("main: copyright: \"%s\"\n", reader->Copyright());
status_t status;
int32 streamCount;
status = reader->Sniff(&streamCount);
if (status != B_OK) {
TRACE("main: Sniff() failed with error %lx (%s)\n", status, strerror(status));
goto err;
}
TRACE("main: Sniff() found %ld streams\n", streamCount);
for (int i = 0; i < streamCount; i++) {
TRACE("main: calling AllocateCookie(stream = %d)\n", i);
status = reader->AllocateCookie(i, &cookies[i]);
if (status != B_OK) {
TRACE("main: AllocateCookie(stream = %d) failed with error 0x%lx (%s)\n",
i, status, strerror(status));
goto err;
}
}
for (int i = 0; i < streamCount; i++) {
TRACE("main: calling GetStreamInfo(stream = %d)\n", i);
int64 frameCount;
bigtime_t duration;
media_format format;
const void *infoBuffer;
size_t infoSize;
status = reader->GetStreamInfo(cookies[i], &frameCount, &duration, &format,
&infoBuffer, &infoSize);
if (status != B_OK) {
TRACE("main: GetStreamInfo(stream = %d) failed with error 0x%lx (%s)\n",
i, status, strerror(status));
goto err;
}
TRACE("main: GetStreamInfo(stream = %d) result: %Ld frames, %.6f sec\n",
i, frameCount, duration / 1000000.0);
}
for (int i = 0; i < streamCount; i++) {
const void *chunkBuffer;
size_t chunkSize;
media_header mediaHeader;
for (int j = 0; j < 5; j++) {
status = reader->GetNextChunk(cookies[i], &chunkBuffer, &chunkSize, &mediaHeader);
if (status != B_OK) {
TRACE("main: GetNextChunk(stream = %d, chunk = %d) failed with error 0x%lx (%s)\n",
i, j, status, strerror(status));
break;
}
}
int64 frame;
bigtime_t time;
time = 1000000; // 1 sec
TRACE("main: calling Seek(stream = %d, time %.6f forward)\n", i, time / 1000000.0);
status = reader->Seek(cookies[i],
B_MEDIA_SEEK_TO_TIME | B_MEDIA_SEEK_CLOSEST_FORWARD, &frame, &time);
TRACE("main: Seek result: time %.6f, frame %Ld\n", time / 1000000.0, frame);
frame = 1000;
TRACE("main: calling Seek(stream = %d, frame %Ld forward)\n", i, frame);
status = reader->Seek(cookies[i],
B_MEDIA_SEEK_TO_FRAME | B_MEDIA_SEEK_CLOSEST_FORWARD, &frame, &time);
TRACE("main: Seek result: time %.6f, frame %Ld\n", time / 1000000.0, frame);
time = 1000000; // 1 sec
TRACE("main: calling Seek(stream = %d, time %.6f backward)\n", i, time / 1000000.0);
status = reader->Seek(cookies[i],
B_MEDIA_SEEK_TO_TIME | B_MEDIA_SEEK_CLOSEST_BACKWARD, &frame, &time);
TRACE("main: Seek result: time %.6f, frame %Ld\n", time / 1000000.0, frame);
frame = 1000;
TRACE("main: calling Seek(stream = %d, frame %Ld backward)\n", i, frame);
status = reader->Seek(cookies[i],
B_MEDIA_SEEK_TO_FRAME | B_MEDIA_SEEK_CLOSEST_BACKWARD, &frame, &time);
TRACE("main: Seek result: time %.6f, frame %Ld\n", time / 1000000.0, frame);
}
for (int i = 0; i < streamCount; i++) {
TRACE("main: calling FreeCookie(stream = %d)\n", i);
status = reader->FreeCookie(cookies[i]);
if (status != B_OK) {
TRACE("main: FreeCookie(stream = %d) failed with error 0x%lx (%s)\n",
i, status, strerror(status));
goto err;
}
}
err:
delete reader;
delete plugin;
delete source;
return 0;
}